Sun dogs, brocken specters, shooting stars or comets - besides the well-known constellations, the sky has numerous phenomena in store. You just need to keep your eyes open in order to discover them. This Kosmos nature guide presents and explains the 100 most beautiful celestial spectacles. Some of them, you will discover when going for a walk, others from your balcony and, sometimes, even from your window - You do not have to travel far to have an eye-opening experience. This nature guide for identification of stars, clouds and atmospheric phenomena comes in a practical pocket format and a weatherproof protective cover. Stefan Seip is an internationally recognized photographer who produces outstanding astronomy and nature photographs. His pictures can regularly be seen in print and TV media. Seip also wrote very successful books: «Digital Astrophotography», «Sky Photography with Digital SLR Cameras» and «Magic of the Stars».